/**
 * ====================================================================
 * ARSIP AS-BUILT DRAWING & OPNAME LAPANGAN (PROTOTIPE APP)
 * 04-app-view.css - Mobile Shell App View (Material 3 Style)
 * ====================================================================
 * - Desktop: Smartphone Frame Mockup (390px x 844px) terpusat
 * - Mobile: 100dvh Layar Penuh dengan Safe-Area
 * - Zero JavaScript, Tab Switching dengan Pure CSS Radio
 * - Area Sentuh >= 44px, Bebas Sudut Lancip
 * ====================================================================
 */

/* DESKTOP BACKGROUND BACKDROP */
.phone-viewport-container {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at 50% 10%, #0f172a 0%, #020617 100%);
  padding: var(--space-6) var(--space-4);
  position: relative;
}

/* SMARTPHONE FRAME CONTAINER */
.phone-frame {
  width: 100%;
  max-width: 412px;
  height: 844px;
  max-height: 94vh;
  background-color: var(--color-bg-base);
  border-radius: 44px;
  border: 10px solid #1e293b;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.6), 
              0 0 0 1px rgba(255, 255, 255, 0.1),
              inset 0 0 4px rgba(0, 0, 0, 0.4);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  box-sizing: border-box;
}

/* DESKTOP FRAME NOTCH / SPEAKER */
.phone-notch {
  width: 120px;
  height: 20px;
  background-color: #1e293b;
  border-radius: 0 0 14px 14px;
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
}

.phone-speaker {
  width: 40px;
  height: 4px;
  background-color: #334155;
  border-radius: var(--radius-full);
}

/* TOP STATUS BAR MOCK (BATTERY, WIFI, TIME) */
.phone-status-bar {
  height: 38px;
  padding: 0 var(--space-6);
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  font-size: 11px;
  font-weight: var(--font-bold);
  color: var(--color-text-main);
  z-index: 45;
  background-color: var(--color-bg-surface);
  user-select: none;
}

/* TOP APP BAR (HEADER FLUTTER / M3) */
.app-topbar {
  height: 56px;
  padding: 0 var(--space-4);
  background-color: var(--color-bg-surface);
  border-bottom: 1px solid var(--color-border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 40;
  box-shadow: var(--shadow-xs);
}

.app-topbar__title {
  font-size: var(--font-base);
  font-weight: var(--font-bold);
  color: var(--color-text-main);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.app-topbar__actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* APP SCROLL CONTENT BODY */
.app-content {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: var(--space-4);
  padding-bottom: 84px; /* Ruang untuk floating bottom nav */
  background-color: var(--color-bg-base);
  position: relative;
  -webkit-overflow-scrolling: touch;
}

/* MATERIAL 3 BOTTOM NAVIGATION BAR (5 TABS) */
.app-bottom-nav {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 68px;
  background-color: var(--color-bg-surface);
  border-top: 1px solid var(--color-border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-around;
  padding: 0 var(--space-2);
  z-index: 40;
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.05);
}

.bottom-nav__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  flex: 1;
  height: 52px;
  min-height: var(--min-touch-target);
  cursor: pointer;
  color: var(--color-text-muted);
  font-size: 10px;
  font-weight: var(--font-medium);
  transition: all var(--transition-fast);
  border-radius: var(--radius-lg);
  user-select: none;
}

.bottom-nav__item svg {
  width: 22px;
  height: 22px;
  transition: transform var(--transition-fast);
}

.bottom-nav__item:active {
  transform: scale(0.92);
}

/* CSS-ONLY TAB SWITCHING ENGINE VIA HIDDEN RADIOS */
.app-tab-radio {
  display: none;
}

.app-screen {
  display: none;
  animation: fadeIn 200ms ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Active Screen Switching */
#app-tab-home:checked ~ .phone-frame .app-content #screen-home,
#app-tab-tugas:checked ~ .phone-frame .app-content #screen-tugas,
#app-tab-viewer:checked ~ .phone-frame .app-content #screen-viewer,
#app-tab-approval:checked ~ .phone-frame .app-content #screen-approval,
#app-tab-profil:checked ~ .phone-frame .app-content #screen-profil {
  display: block;
}

/* Active Bottom Nav Item Highlight */
#app-tab-home:checked ~ .phone-frame .app-bottom-nav label[for="app-tab-home"],
#app-tab-tugas:checked ~ .phone-frame .app-bottom-nav label[for="app-tab-tugas"],
#app-tab-viewer:checked ~ .phone-frame .app-bottom-nav label[for="app-tab-viewer"],
#app-tab-approval:checked ~ .phone-frame .app-bottom-nav label[for="app-tab-approval"],
#app-tab-profil:checked ~ .phone-frame .app-bottom-nav label[for="app-tab-profil"] {
  color: var(--color-primary-base);
  font-weight: var(--font-bold);
}

#app-tab-home:checked ~ .phone-frame .app-bottom-nav label[for="app-tab-home"] svg,
#app-tab-tugas:checked ~ .phone-frame .app-bottom-nav label[for="app-tab-tugas"] svg,
#app-tab-viewer:checked ~ .phone-frame .app-bottom-nav label[for="app-tab-viewer"] svg,
#app-tab-approval:checked ~ .phone-frame .app-bottom-nav label[for="app-tab-approval"] svg,
#app-tab-profil:checked ~ .phone-frame .app-bottom-nav label[for="app-tab-profil"] svg {
  transform: translateY(-2px);
  color: var(--color-primary-base);
}

/* GPS LOCK INDICATOR */
.gps-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background-color: var(--green-50);
  border: 1px solid var(--green-100);
  color: var(--green-700);
  border-radius: var(--radius-full);
  font-size: var(--font-xs);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-3);
}

.gps-pill__pulse {
  width: 8px;
  height: 8px;
  background-color: var(--green-600);
  border-radius: var(--radius-full);
  box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.3);
}

/* REAL MOBILE DEVICE OVERRIDE (<= 767px): 100dvh & SAFE-AREA */
@media (max-width: 767px) {
  .phone-viewport-container {
    padding: 0;
    background: var(--color-bg-base);
  }

  .phone-frame {
    max-width: 100%;
    height: 100vh;
    height: 100dvh;
    max-height: 100dvh;
    border-radius: 0;
    border: none;
    box-shadow: none;
  }

  .phone-notch {
    display: none;
  }

  .phone-status-bar {
    padding-top: max(8px, var(--sat));
    height: calc(38px + max(0px, var(--sat)));
  }

  .app-bottom-nav {
    padding-bottom: max(6px, var(--sab));
    height: calc(68px + max(0px, var(--sab)));
  }

  .app-content {
    padding-bottom: calc(88px + max(0px, var(--sab)));
  }
}